I will admit it was a touch on the chilly side today but that doesnt normally stop me cleaning windows, but 1 house I went to today did make me stop n think cos the house windows were absolutly fine as you would expect but the conservatory was an entirely different matter all together, it wasnt heated, the glass had frost on the outside & not really thinking about it I set about wfp'ing it & jees it froze within 30 secs , really made me think of you guys with hot systems cos it took me 25 mins to do the conservatory alone